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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 #include "Test.h" | 7 #include "Test.h" |
| 8 #include "SkCanvas.h" |
8 #include "SkGraphics.h" | 9 #include "SkGraphics.h" |
9 #include "SkCanvas.h" | 10 #include "SkScaledImageCache.h" |
10 | 11 |
11 static const int kCanvasSize = 1; | 12 static const int kCanvasSize = 1; |
12 static const int kBitmapSize = 16; | 13 static const int kBitmapSize = 16; |
13 static const int kScale = 8; | 14 static const int kScale = 8; |
14 | 15 |
15 static size_t test_scaled_image_cache_useage() { | 16 static bool is_in_scaled_image_cache(const SkBitmap& orig, |
| 17 SkScalar xScale, |
| 18 SkScalar yScale) { |
| 19 SkBitmap scaled; |
| 20 SkScaledImageCache::ID* id = SkScaledImageCache::FindAndLock( |
| 21 orig, SkScalarInvert(xScale), SkScalarInvert(yScale), &scaled); |
| 22 if (id) { |
| 23 SkScaledImageCache::Unlock(id); |
| 24 } |
| 25 return id != NULL; |
| 26 } |
| 27 |
| 28 // Draw a scaled bitmap, then return true iff it has been cached. |
| 29 static bool test_scaled_image_cache_useage() { |
16 SkAutoTUnref<SkCanvas> canvas( | 30 SkAutoTUnref<SkCanvas> canvas( |
17 SkCanvas::NewRasterN32(kCanvasSize, kCanvasSize)); | 31 SkCanvas::NewRasterN32(kCanvasSize, kCanvasSize)); |
18 SkBitmap bitmap; | 32 SkBitmap bitmap; |
19 SkAssertResult(bitmap.allocN32Pixels(kBitmapSize, kBitmapSize)); | 33 SkAssertResult(bitmap.allocN32Pixels(kBitmapSize, kBitmapSize)); |
20 bitmap.eraseColor(0xFFFFFFFF); | 34 bitmap.eraseColor(0xFFFFFFFF); |
21 SkScalar scaledSize = SkIntToScalar(kScale * kBitmapSize); | 35 SkScalar scale = SkIntToScalar(kScale); |
| 36 SkScalar scaledSize = SkIntToScalar(kBitmapSize) * scale; |
22 canvas->clipRect(SkRect::MakeLTRB(0, 0, scaledSize, scaledSize)); | 37 canvas->clipRect(SkRect::MakeLTRB(0, 0, scaledSize, scaledSize)); |
23 SkPaint paint; | 38 SkPaint paint; |
24 paint.setFilterLevel(SkPaint::kHigh_FilterLevel); | 39 paint.setFilterLevel(SkPaint::kHigh_FilterLevel); |
25 size_t bytesUsed = SkGraphics::GetImageCacheBytesUsed(); | 40 |
26 canvas->drawBitmapRect(bitmap, | 41 canvas->drawBitmapRect(bitmap, |
27 SkRect::MakeLTRB(0, 0, scaledSize, scaledSize), | 42 SkRect::MakeLTRB(0, 0, scaledSize, scaledSize), |
28 &paint); | 43 &paint); |
29 return SkGraphics::GetImageCacheBytesUsed() - bytesUsed; | 44 |
| 45 return is_in_scaled_image_cache(bitmap, scale, scale); |
30 } | 46 } |
31 | 47 |
32 // http://crbug.com/389439 | 48 // http://crbug.com/389439 |
33 DEF_TEST(ScaledImageCache_SingleAllocationByteLimit, reporter) { | 49 DEF_TEST(ScaledImageCache_SingleAllocationByteLimit, reporter) { |
34 size_t originalByteLimit = SkGraphics::GetImageCacheByteLimit(); | 50 size_t originalByteLimit = SkGraphics::GetImageCacheTotalByteLimit(); |
35 size_t originalAllocationLimit = | 51 size_t originalAllocationLimit = |
36 SkGraphics::GetImageCacheSingleAllocationByteLimit(); | 52 SkGraphics::GetImageCacheSingleAllocationByteLimit(); |
37 | 53 |
38 size_t size = kBitmapSize * kScale * kBitmapSize * kScale | 54 size_t size = kBitmapSize * kScale * kBitmapSize * kScale |
39 * SkColorTypeBytesPerPixel(kN32_SkColorType); | 55 * SkColorTypeBytesPerPixel(kN32_SkColorType); |
40 | 56 |
41 SkGraphics::SetImageCacheByteLimit(0); // clear cache | 57 SkGraphics::SetImageCacheTotalByteLimit(0); // clear cache |
42 SkGraphics::SetImageCacheByteLimit(2 * size); | 58 SkGraphics::SetImageCacheTotalByteLimit(2 * size); |
43 SkGraphics::SetImageCacheSingleAllocationByteLimit(0); | 59 SkGraphics::SetImageCacheSingleAllocationByteLimit(0); // No limit |
44 | 60 |
45 REPORTER_ASSERT(reporter, size == test_scaled_image_cache_useage()); | 61 REPORTER_ASSERT(reporter, test_scaled_image_cache_useage()); |
46 | 62 |
47 SkGraphics::SetImageCacheByteLimit(0); // clear cache | 63 SkGraphics::SetImageCacheTotalByteLimit(0); // clear cache |
48 SkGraphics::SetImageCacheByteLimit(2 * size); | 64 SkGraphics::SetImageCacheTotalByteLimit(2 * size); |
49 SkGraphics::SetImageCacheSingleAllocationByteLimit(size * 2); | 65 SkGraphics::SetImageCacheSingleAllocationByteLimit(size * 2); // big enough |
50 | 66 |
51 REPORTER_ASSERT(reporter, size == test_scaled_image_cache_useage()); | 67 REPORTER_ASSERT(reporter, test_scaled_image_cache_useage()); |
52 | 68 |
53 SkGraphics::SetImageCacheByteLimit(0); // clear cache | 69 SkGraphics::SetImageCacheTotalByteLimit(0); // clear cache |
54 SkGraphics::SetImageCacheByteLimit(2 * size); | 70 SkGraphics::SetImageCacheTotalByteLimit(2 * size); |
55 SkGraphics::SetImageCacheSingleAllocationByteLimit(size / 2); | 71 SkGraphics::SetImageCacheSingleAllocationByteLimit(size / 2); // too small |
56 | 72 |
57 REPORTER_ASSERT(reporter, 0 == test_scaled_image_cache_useage()); | 73 REPORTER_ASSERT(reporter, !test_scaled_image_cache_useage()); |
58 | 74 |
59 SkGraphics::SetImageCacheSingleAllocationByteLimit(originalAllocationLimit); | 75 SkGraphics::SetImageCacheSingleAllocationByteLimit(originalAllocationLimit); |
60 SkGraphics::SetImageCacheByteLimit(originalByteLimit); | 76 SkGraphics::SetImageCacheTotalByteLimit(originalByteLimit); |
61 } | 77 } |
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